Main application.
This system is mainly applied to monitor the water pressure、 water level、temperature of observation borehole 、water level of mine goaf、 surface water channel、flow rate and remote control in real time in the underground coal mine and ground surface.
This system could be used for combined water test in mining area, forecast and early warning of water bursting zone in coal mine, petroleum and urban water supply, monitoring the pressure of the sealing wall, and the real-time observation of the pipe flow.
Main features.
Dynamic monitoring of combined waterproof test in mining area and analysis of regional hydraulic connectivity
Adopts multi-level warning to forecast water inrush disaster.
Having the advantages of easy installation、maintenance and operation, high precision and reliable performance. The bundled software able to generate data reports、curves and analysis of the historical data automatically.
Consisting of underground monitoring system and ground monitoring system, and unified management by the ground monitoring center station.
The system includes monitoring center, remote communication adapter, u data communication network (laying underground line or Ethernet networks) or GSM/GPRS wireless monitoring substation , data collection substation, measured sensor, mine explosion-proof power supply, etc.
Technical index.
Underground Monitoring Part | |
Data communication mode | Cable、Master-slave mode, Half duplex mode |
Transmission rate | Remote data communication adapter and substation : 9600bps Remote data communication adapter and communication server: 5Kbps |
Transmission distance: | ≥10km |
Error rate | ≤1×10-8 |
Polling period | ≤30s |
Explosion-proof type | Intrinsically safe |
Ground Monitoring Part | |
Data communication mode | Wireless（GSM/GPRS） |
Maximum transmission distance | GSM/GPRS coverage |
Water pressure measurement accuracy | 0～10Mpa less than 0.1% F·S |
Water level measurement accuracy | 0～500m less than 0.1% F·S |
Temperature measurement accuracy | 0～100℃ ±0.5℃ |
Flow rate accuracy | 10000m³/h（D ≤500mm）less than 0.1% F·S |
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